Paul Peter Ewald

German physicist (1888–1985)
Person human Q65204
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Summary

Paul Peter Ewald was born on January 23, 1888[1], in Berlin[2]. He died on August 22, 1985[3], in Ithaca[4]. He worked as a physicist[5], university teacher[6], crystallographer[7], and scientist[8]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (424 views/month, #7,276 of 1,000,298).[9]

Key Facts

  • Father: Paul Ewald[10]
  • Mother: Clara Ewald[11]
  • Child: Rose Ewald[12]
  • Country of citizenship: Germany[13]
  • Field of work: physics[14], crystallography[15], roentgenography[16], lectorship[17], research and development[18]
  • Employer: University of Stuttgart[19], New York University Tandon School of Engineering[20]
  • Educated at: Ludwig-Maximilians-Universität München[21]
  • Doctoral advisor: Arnold Sommerfeld[22]
  • Student: John Stewart Bell[23]
  • Notable work: Ewald's sphere[24]
  • Award received: doctor honoris causa from the University of Paris[25], Guggenheim Fellowship[26], Max Planck Medal[27], Gregori Aminoff Prize[28], Fellow of the Royal Society[29], honorary member of the German Mineralogical Society[30]
  • Member of: Royal Society[31], German Academy of Sciences Leopoldina[32], Bavarian Academy of Sciences and Humanities[33], American Academy of Arts and Sciences[34], Göttingen Academy of Sciences and Humanities in Lower Saxony[35]
  • Sex or gender: male[36]
  • Doctoral student: Achilles Papapetrou[37], Ulrich Dehlinger[38], Jack Heller[39]
  • Commons category: Paul Peter Ewald[40]
  • Archives at: Niels Bohr Library & Archives[41]
  • Family name: Ewald[42]
  • Given name: Paul[43], Peter[44]
  • Relative: Hans Bethe[45]
  • Described by source: Svensk uppslagsbok[46], Physicists: Biographical Dictionary[47]
  • Languages spoken, written or signed: German[48]
  • Name in native language: Paul Peter Ewald[49]

Body

Works and Contributions

Things named for Paul Peter Ewald include Ewald's sphere[50], a geometric construction[51]; Ewald summation[52], a method[53]; Ewald Prize[54], an award[55], founded in 1987[56]; and ewaldite[57], a mineral species[58].

Why It Matters

Paul Peter Ewald has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[59] He is known by 14 alternative names across languages and contexts.[60]

He is credited with the discovery of Ewald's sphere[61], a geometric construction[62]. Entities named for him include Ewald's sphere[50], a geometric construction[51]; Ewald summation[52], a method[53]; Ewald Prize[54], an award[55], founded in 1987[56]; and ewaldite[57], a mineral species[58].

His notable doctoral advisees include Achilles Papapetrou[63], a physicist[64], 1907–1997[65], of France[66], specialised in physics[67].

FAQs

Where was Paul Peter Ewald born?

Paul Peter Ewald's place of birth was Berlin[2].

Where did Paul Peter Ewald die?

Paul Peter Ewald died in Ithaca[4].

Who were Paul Peter Ewald's parents?

Paul Peter Ewald's father was Paul Ewald[10]. Paul Peter Ewald's mother was Clara Ewald[11].

What did Paul Peter Ewald do for work?

Paul Peter Ewald worked as a physicist[5], university teacher[6], crystallographer[7], and scientist[8].

Where did Paul Peter Ewald go to school?

Paul Peter Ewald was educated at Ludwig-Maximilians-Universität München[21].

What awards did Paul Peter Ewald receive?

Honors received include doctor honoris causa from the University of Paris[25], Guggenheim Fellowship[26], Max Planck Medal[27], and Gregori Aminoff Prize[28].

What did Paul Peter Ewald discover?

Paul Peter Ewald is credited as discoverer of Ewald's sphere[61].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [36] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  4. [10] ↑ . wikidata.org.
  5. [11] ↑ . wikidata.org.
  6. [13] ↑ . wikidata.org.
  7. [12] ↑ . degruyter.com. degruyter.com. Provenance: wikidata.org.
  8. [21] ↑ . wikidata.org.
  9. [14] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  10. [15] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  11. [16] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  12. [17] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  13. [18] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  14. [5] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  15. [6] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  16. [7] ↑ . wikidata.org.
  17. [8] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [25] ↑ . archive.org. archive.org. Provenance: wikidata.org.
  21. [26] ↑ . wikidata.org.
  22. [27] ↑ . wikidata.org.
  23. [28] ↑ . wikidata.org.
  24. [29] ↑ . wikidata.org.
  25. [30] ↑ . wikidata.org.
  26. [22] ↑ . wikidata.org.
  27. [37] ↑ . wikidata.org.
  28. [38] ↑ . Mathematics Genealogy Project. wikidata.org.
  29. [39] ↑ . wikidata.org.
  30. [40] ↑ . wikidata.org.
  31. [31] ↑ . wikidata.org.
  32. [32] ↑ . wikidata.org.
  33. [33] ↑ . wikidata.org.
  34. [34] ↑ . wikidata.org.
  35. [35] ↑ . wikidata.org.
  36. [41] ↑ . history.aip.org. history.aip.org. Provenance: wikidata.org.
  37. [1] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  38. [3] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  39. [42] ↑ . wikidata.org.
  40. [43] ↑ . wikidata.org.
  41. [44] ↑ . wikidata.org.
  42. [24] ↑ . wikidata.org.
  43. [23] ↑ . wikidata.org.
  44. [45] ↑ . wikidata.org.
  45. [46] ↑ . wikidata.org.
  46. [47] ↑ . wikidata.org.
  47. [48] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  48. [49] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [61] ↑ . wikidata.org. → on this site
  2. [63] ↑ . wikidata.org. → on this site
  3. [50] ↑ . wikidata.org. → on this site
  4. [52] ↑ . wikidata.org. → on this site
  5. [54] ↑ . wikidata.org. → on this site
  6. [57] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [62] ↑ . Wikidata. wikidata.org. → on this site
  2. [64] ↑ . Wikidata. wikidata.org. → on this site
  3. [65] ↑ . Wikidata. wikidata.org. → on this site
  4. [66] ↑ . Wikidata. wikidata.org. → on this site
  5. [67] ↑ . Wikidata. wikidata.org. → on this site
  6. [51] ↑ . Wikidata. wikidata.org. → on this site
  7. [53] ↑ . Wikidata. wikidata.org. → on this site
  8. [55] ↑ . Wikidata. wikidata.org. → on this site
  9. [56] ↑ . Wikidata. wikidata.org. → on this site
  10. [58] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [9] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [59] ↑ . Wikidata sitelinks. wikidata.org.
  3. [60] ↑ . Wikidata aliases. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Paul Peter Ewald. Retrieved October 16, 2026, from https://4ort.xyz/entity/paul-peter-ewald
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